updated readme with authentication for new App Registration

Author: Rohini-Microsoft

README.md

@@ -134,6 +134,18 @@ If you're not using one of the above options for opening the project, then you'l
 
 </details>
 
+<details>
+  <summary><b>Deploy with Bicep/ARM template</b></summary>
+
+### Quick Deploy (Bicep)
+
+1. **Deploy Azure resources**  
+   Click the following deployment button to create the required resources for this accelerator directly in your Azure Subscription.
+
+   [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fmicrosoft%2FConversation-Knowledge-Mining-Solution-Accelerator%2FKM-AIFoundry%2Finfra%2Fmain.json)          
+
+</details>
+<br/>
 ## Deploying
 
 Once you've opened the project in [Codespaces](#github-codespaces), in [Dev Containers](#vs-code-dev-containers), or [locally](#local-environment), you can deploy it to Azure.
@@ -163,17 +175,6 @@ Once you've opened the project in [Codespaces](#github-codespaces), in [Dev Cont
 
 3. You can now proceed to run the [development server](#development-server) to test the app locally, or if you are done trying out the app, you can delete the resources by running `azd down`.
 
-<details>
-  <summary><b>Deploy with Bicep/ARM template</b></summary>
-
-### Quick Deploy (Bicep)
-
-1. **Deploy Azure resources**  
-   Click the following deployment button to create the required resources for this accelerator directly in your Azure Subscription.
-
-   [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fmicrosoft%2FConversation-Knowledge-Mining-Solution-Accelerator%2FKM-AIFoundry%2Finfra%2Fmain.json)          
-
-</details>
 <br/>
 <h2>
 Additional Steps

docs/AppAuthentication.md

@@ -17,4 +17,37 @@
 
 5. Accept the default values and click on `Add` button to go back to the previous page with the identify provider added.
 
- ![Add Provider](Images/AppAuthIdentityProviderAdded.png)
+ ![Add Provider](Images/AppAuthIdentityProviderAdded.png)
+
+ ### Creating a new App Registration
+1. Click on `Home` and select `Microsoft Entra ID`.
+
+![Microsoft Entra ID](/ResearchAssistant/Deployment/images/aiStudio/MicrosoftEntraID.png)
+
+2. Click on `App registrations`.
+
+![App registrations](/ResearchAssistant/Deployment/images/aiStudio/Appregistrations.png)
+
+3. Click on `+ New registration`.
+
+![New Registrations](/ResearchAssistant/Deployment/images/aiStudio/NewRegistration.png)
+
+4. Provide the `Name`, select supported account types as `Accounts in this organizational directory only(Contoso only - Single tenant)`, select platform as `Web`, enter/select the `URL` and register.
+
+![Add Details](/ResearchAssistant/Deployment/images/aiStudio/AddDetails.png)
+
+5. After application is created sucessfully, then click on `Add a Redirect URL`.
+
+![Redirect URL](/ResearchAssistant/Deployment/images/aiStudio/AddRedirectURL.png)
+
+6. Click on `+ Add a platform`.
+
+![+ Add platform](/ResearchAssistant/Deployment/images/aiStudio/AddPlatform.png)
+
+7. Click on `Web`.
+
+![Web](/ResearchAssistant/Deployment/images/aiStudio/Web.png)
+
+8. Enter the `web app URL` (Provide the app service name in place of XXXX) and Save. Then go back to [Step 4](https://github.com/microsoft/Build-your-own-AI-Assistant-Solution-Accelerator/blob/PSL-Authenticate-Doc/ResearchAssistant/Deployment/AIStudioDeployment.md#step-4-add-authentication-in-azure-app-service-configuration) and follow from _Point 4_ choose `Pick an existing app registration in this directory` from the Add an Identity Provider page and provide the newly registered App Name.
+
+![Add Details](/ResearchAssistant/Deployment/images/aiStudio/WebAppURL.png)